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Title |
Page |
| MOP48 |
Gamma and X-rays Production for Experiments at ELSA Facility
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153 |
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- J. Lemaire
CEA/DAM, Bruyères-le-Châtel
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The ELSA facility is a high brightness 18 MeV electron source dedicated to electron radiation, gamma-rays and picosecond hard and soft X-rays. It consists of a 144 MHz RF photoinjector producing short bunches which are further accelerated to a final energy varying from 2 to 18 MeV thanks to three 433 MHz RF cavities. Former beam compression design used a half turn magnet compressor system. It has been recently replaced by a double alpha magnet compressor. Electron beams are now delivered to a new experimental room. We present the new panel of interests offered by this facility in term of gamma-ray and X-ray production.
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| TUP59 |
Extraction of High Charge Electron Bunch from the ELSA RF Injector - Comparison Between Simulation and Experiment
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402 |
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- J. Lemaire, P. Balleyguier, A. Binet, J.M. Lagniel, V. Le Flanchec, N. Pichoff
CEA/DAM, Bruyères-le-Châtel
- R. Bailly-Salins, M. Millerioux, Chr. Quine
CEA/DIF/DPTA/SP2A, Bruyeres-le-Chatel
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A new scheme based on a photoinjector and a RF linear accelerator operating at 352 MHz has been recently proposed as a versatile radiographic facility. Beam pulses of 60 ns duration contain 20 succesive electron bunches which will be extracted at 2.5 MeV from a photoinjector then accelerated through the next structure to the final energy of 51 MeV. Bunches carrying 100 nC are required for this purpose. As a first demonstrating step, 50 nC electron bunches have been produced and accelerated to 2.5 MeV with the 144 MHz ELSA photoinjector at Bruyères le Chatel. For this experiment, we compare the results and the numerical simulations made with PARMELA, MAGIC and MAFIA codes.
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